This circa 1920s map of the Lake Superior International Highway between Duluth, Minnesota, United States, and Port Arthur and Fort William, Ontario, Canada, provides brief descriptions of towns and geographic features along the route, including...

Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...

This is the first published history book of Kandiyohi County. This history describes the many aspects of the County's history including: early settlements, Native Americans, U.S. Dakota Conflict of 1862, politics, Monongalia County history, State...

Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) and structure map (recognizable features produced by deformation of rocks) of the seven county Metropolitan area, Twin Cities, Minnesota,...

Minnesota Geological Survey

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